SIAGIAN, Sondang P. text Jakarta Gunung Agung 1980 Cet.2 id xii, 160 hlm.; ill.: 21 cm MANAJEMEN 658 210430 20210430103436 INLIS000000000000654 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)